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Lehmann M, Barnes J, Ridgway GR, Ryan NS, Warrington EK, Crutch SJ, Fox NC.Lehmann M, et al. Among authors: barnes j.Alzheimers Dement. 2012 Nov;8(6):502-12. doi: 10.1016/j.jalz.2011.09.225. Epub 2012 Feb 23.Alzheimers Dement. 2012.PMID: 22365384Free PMC article.